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Smithsonain Ch. - Age of Humans Series 1 (2021) Part 2 Air

Age of Humans Series 1

From Ethiopia to Iceland to America to China, travel the globe and see how the world has changed in the “age of humans

Part 2 Air

From artificial photosynthesis to vegan diets, changes in science and behaviour are helping improve Earth's air quality.

Full Version Available Upon Request
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